Home / 939,832.89-1,296,934.63-510,103.81

Finding the Fourth Proportional to 939,832.89, 1,296,934.63 and 510,103.81

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Solution

The fourth proportional to 939,832.89, 1,296,934.63 and 510,103.81 is: 703,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,832.89 : 1,296,934.63 = 510,103.81 : x
  2. Step 2: Convert to fraction form
    939,832.89/1,296,934.63 = 510,103.81/x
  3. Step 3: Cross multiply
    939,832.89x = 1,296,934.63 × 510,103.81
  4. Step 4: Simplify right side
    939,832.89x = 661,571,296,083.94
  5. Step 5: Solve for x
    x = 661,571,296,083.94/939,832.89
  6. Step 6: Final answer
    x = 703,924.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.